From a68a80cba1918fe8f3fe9fc5d6c2b6a495318e7b Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Tue, 14 Jul 2026 09:39:06 +0200
Subject: [PATCH] Update MIDI clip duration calculations using loopDuration
 instead of bar counts

---
 src/lib/exporters/ableton/builders.ts | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/src/lib/exporters/ableton/builders.ts b/src/lib/exporters/ableton/builders.ts
index 4025e14..174490f 100644
--- a/src/lib/exporters/ableton/builders.ts
+++ b/src/lib/exporters/ableton/builders.ts
@@ -8,6 +8,7 @@ import {
 } from '../../../types/types';
 import { EFFECTS } from '../../constants';
 import abletonTransformer, {
+  AblArrangementSection,
   AblClip,
   AblGroupLane,
   AblScene,
@@ -305,13 +306,9 @@ async function buildMidiClip(
   const midiClipTemplate = await loadTemplate<ALSMidiClip>('midiClip', abletonVersion);
   const midiClip = structuredClone(midiClipTemplate.MidiClip);
 
-  const beats = getQuarterNotesPerBar(
-    koClip.timeSignature.numerator,
-    koClip.timeSignature.denominator,
-  );
-  const time = koClip.offset * beats;
+  const time = koClip.offset;
   const start = time;
-  const end = time + koClip.sceneBars * beats;
+  const end = time + koClip.duration;
 
   midiClip['@Id'] = clipIdx;
   midiClip['@Time'] = time;
@@ -319,12 +316,12 @@ async function buildMidiClip(
   midiClip.CurrentEnd['@Value'] = end;
   midiClip.Loop.LoopOn['@Value'] = 'true';
   midiClip.Loop.LoopStart['@Value'] = 0;
-  midiClip.Loop.LoopEnd['@Value'] = koClip.bars * beats;
+  midiClip.Loop.LoopEnd['@Value'] = koClip.loopDuration;
   if (midiClip.Loop.OutMarker) {
-    midiClip.Loop.OutMarker['@Value'] = koClip.bars * beats;
+    midiClip.Loop.OutMarker['@Value'] = koClip.loopDuration;
   }
   midiClip.Loop.HiddenLoopStart['@Value'] = 0;
-  midiClip.Loop.HiddenLoopEnd['@Value'] = koClip.bars * beats;
+  midiClip.Loop.HiddenLoopEnd['@Value'] = koClip.loopDuration;
   setColorValue(midiClip, color);
   midiClip.Name['@Value'] = koClip.sceneName;
   midiClip.TimeSignature.TimeSignatures.RemoteableTimeSignature.Numerator['@Value'] =
@@ -335,7 +332,7 @@ async function buildMidiClip(
   if (clipForLauncher) {
     midiClip['@Time'] = 0;
     midiClip.CurrentStart['@Value'] = 0;
-    midiClip.CurrentEnd['@Value'] = koClip.bars * beats;
+    midiClip.CurrentEnd['@Value'] = koClip.loopDuration;
   }
 
   // ableton group notes